# SCMS 7110 Exam 2 Solutions Essay

1795 Words Oct 25th, 2014 8 Pages
Question 1

4 / 4 points
The overall upward or downward pattern of the data in an annual time series will be contained in the ____________ component.

trend

cyclical

irregular

seasonal
Question 2

4 / 4 points
When using the exponentially weighted moving average for purposes of forecasting rather than smoothing,

the previous smoothed value becomes the forecast.

the current smoothed value becomes the forecast.

the next smoothed value becomes the forecast.

None of the above.
Question 3

4 / 4 points
The following is the list of MAD statistics for each of the models you have estimated from time-series data:
Model
Linear Trend
1.38
1.22
Exponential Trend
1.39
AR(2)
0.71
where Y = Sale price of property in thousands of dollars X1 = Size of property in thousands of square feet X2 = 1 if property located near cove, 0 if not Using the data collected for the 20 properties, the following partial output obtained from Microsoft Excel is shown: SUMMARY OUTPUT
Regression Statistics
Multiple R 0.985
R Square 0.970
Standard Error 9.5
Observations 20 ANOVA df SS MS F Signif F
Regression 5 28324 5664 62.2 0.0001
Residual 14 1279 91
Total 19 29063 Coeff StdError t Stat P-value
Intercept - 32.1 35.7 – 0.90 0.3834
Size 12.2 5.9 2.05 0.0594
Cove – 104.3 53.5 – 1.95 0.0715
Size*Cove 17.0 8.5 1.99 0.0661
SizeSq – 0.3 0.2 – 1.28 0.2204
SizeSq*Cove – 0.3 0.3 – 1.13 0.2749 Referring to Table 15-3, is the overall model statistically adequate at a 0.05 level of significance for predicting sale price (Y)?

No, since some of the t tests for the individual variables are not significant.

No, since the standard deviation of the model is fairly large.

Yes, since none of the beta-estimates are equal to 0.

Yes, since the

## Related Documents

• ###### Essay Homework #2 Solutions

Physics 221 Summer 2012 HOMEWORK #2 Due Friday June 22, 2012 1 A 70.0-kg person stands on a scale placed on the ﬂoor of an elevator. Find: - the weight of the person (magnitude and direction), - the normal force by the scale on the person (magnitude and direction), - and what the scale reads (in kilograms) in the following cases: (a) The elevator moves up with a constant speed of 2.0 m/s2 . (b) The elevator has a constant upward acceleration of 2.0 m/s2 . (c) The elevator has a constant…

Words: 1708 - Pages: 7
• ###### Essay Exam 2 Answers

Gen. Eng. Name ___________________________ Exam #2 - 100pts 06 April 2012 G # _____________________ ======================================================================= If necessary, use the back of the exam pages for the rest of your answers. Do not use other sheets of paper. Please write legibly; if I cannot read your answer, I will count it wrong. * BY TAKING THIS EXAM, YOU HAVE AGREED TO ABIDE BY THE SPIRIT AND THE LETTER OF THE HONOR CODE OF…

Words: 1836 - Pages: 8
• ###### Cj408 Final Exam Solution Essay

CJ408 FINAL EXAM Solution Click Link Below To Buy: http://hwaid.com/shop/cj408-final-exam-solution/ When we trust the judgments of people who have special training, such as a doctor or a lawyer, we are accepting their ______. 1. A) Wisdom 2. B) Expertise 3. C) Authority 4. D) Word 2. What are the four purposes of research? 1. A) Exploration, description, explanation, application 2. B) Exploration, description, funding, application 3. C) Exploration, development, inquisition, funding…

Words: 755 - Pages: 4
• ###### Essay Stat 200 Exam 2

Feedback: This level of significance, commonly set to α equal to 0.05, is used to set the cut-off as the maximum probability a researcher would use in order to reject a true null hypothesis. Points Earned: | 1.0/1.0 | | Correct Answer(s): | A | 2. A null hypothesis is that the average pulse rate of adults is 70. For a sample of 64 adults, the average pulse rate is 71.8. A significance test is done and the p-value is 0.02. What is the most appropriate conclusion based on α of 0.05? A) Conclude…

Words: 5065 - Pages: 21
• ###### Fin 534 Midterm Exam Part 1 and Part 2 Solution Essays

FIN 534 Midterm Exam Part 1 and Part 2 Solution Purchase here https://sellfy.com/p/cZb2/ Product Description FIN 534 Midterm Exam Part 1 and Part 2 Solution FIN 534 Midterm Exam Part 1 and Part 2 Solution FIN 534 Midterm Exam Part 1 and Part 2 Solution FIN 534 Midterm Exam Part 1 and Part 2 Solution FIN 534 Midterm Exam Part 1 and Part 2 Solution FIN 534 Midterm Exam Part 1 and Part 2 Solution FIN 534 Midterm Exam Part 1 and Part 2 Solution Purchase here https://sellfy.com/p/cZb2/…

Words: 715 - Pages: 3
• ###### Essay on Midterm Exam Solutions

AFM 391 Winter 2011 Intermediate Financial Accounting 2 University of Waterloo Midterm Exam Solutions Professor Khim Kelly Part A 1) B 2) C 3) A 4) D 5) C 6) B Part B 1) D \$4,000,000 (IFRS is applicable because Street is listed on TSE, no agreement was in place at year end). 2) C PV of \$8,000,000 at 5% for 15 years. 3) D \$540,000 – \$435,000 = \$105,000 (\$600,000 + \$72,000) – \$540,000 = \$132,000. 4) A 5) C = \$2.70. 6) B…

Words: 2068 - Pages: 9
• ###### Essay Ch 2 Solutions

14188-37032_Ch02_Solutions http://www.scribd.com/doc/6739982/1418837032Ch02Solutions Electronic Commerce, 7th Edition Solutions 2-1 Electronic Commerce, 7th Edition 14188-37032 Chapter 2 Solutions Review Questions 1. What were the main forces that led to the commercialization of the Internet? Summarize your answer in about 100 words. Answer: The Internet was born out of the need for the U.S. government, specifically the Defense Department, to communicate with its weapons installation…

Words: 1717 - Pages: 7
• ###### Bus100 Midterm Exam Solution Essay

Midterm Exam Solution http://homeworkfy.com/downloads/bus100-midterm-exam-solution/ To Get this Tutorial Copy & Paste above URL Into Your Browser Hit Us Email for Any Inquiry at: Homeworkfy@gmail.com Visit our Site for More Tutorials: (http://homeworkfy.com/ ) • Question 1 4 out of 4 points The _____ is the business entity in a franchise relationship that allows others to operate a business using resources it supplies in exchange for money and other considerations • Question 2 4 out…

Words: 1270 - Pages: 6
• ###### Essay on Statistic 2 Midterm Exam

01 0.0000 PH Level-Sq 17.76 0.983 18.07 0.0000 Mainly Cloudy -1.07 0.700 -1.53 0.1282 Sunny 1.16 0.700 1.65 0.0997 t Stat P-Value 1. Clearly define the independent variables being considered. 2. Specify the multiple regression model using all independent variables being considered. 3. Fill in the following table with the correct values of E, F and G. ANSWERS E - Regression F - Residual G - TOTAL 4. Fill in the blanks of A, B, C…

Words: 709 - Pages: 3
• ###### Essay Midterm Exam Solution

Name__________________ ID _______________________ Midterm Exam MBA501 There are 25 multiple choice questions and each question is worth 3 points. 1) Until recently you worked as an accountant, earning \$30,000 annually. Then you inherited a piece of commercial real estate bringing in \$12,000 in rent annually. You decided to leave your job and operate a video rental store in the office space you inherited. At the end…

Words: 1533 - Pages: 7